Ultra-violet Light Works as Screening Tool for Bats with White-nose Syndrome.
Scientists working to understand the devastating bat disease known as white-nose syndrome (WNS) now have a new, non-lethal tool to identify bats with WNS lesions —ultraviolet, or UV, light.
View ArticleInsecticides Similar to Nicotine Found in about Half of Sampled Streams...
USGS discovered insecticides known as neonicotinoids in a little more than half of both urban and agricultural streams sampled across the United States and Puerto Rico, according to a study by the...
View ArticleMercury and Selenium are Accumulating in the Colorado River Food Web of the...
Although the Grand Canyon segment of the Colorado River features one of the most remote ecosystems in the United States, it is not immune to exposure from toxic chemicals such as mercury according to...
View ArticleEarthWord – Medical Geology
Medical Geology is an earth science specialty that concerns how geologic materials and earth processes affect human health.
View ArticleDespite Long-Lasting Pollutants, Ospreys Thrive in US’ Largest Estuary
The world's largest breeding population of ospreys is coping well with the long-lasting residues of toxic chemicals that were banned decades ago but remain in the Chesapeake Bay food chain at varying...
View ArticleEvidence of Unconventional Oil and Gas Wastewater Found in Surface Waters...
These are the first published studies to demonstrate water-quality impacts to a surface stream due to activities at an unconventional oil and gas wastewater deep well injection disposal site.
View ArticleEarthWord–Morbidity
When you’re not dead yet, but aren’t feeling well either, there’s an EarthWord for that...
View ArticleComprehensive Study finds Widespread Mercury Contamination Across Western...
Mercury contamination is widespread, at various levels across western North America in air, soil, sediment, plants, fish and wildlife.
View ArticleWhen the Whole is Less than the Sum of Its Parts
Environmental Ratios of Cadmium and Zinc are less Toxic to Aquatic Insects than Expected
View ArticleIn Orlando, USGS Science on the Health of the Environment is on Display
Studies on the aquatic food web, tree swallows, and the spread of contaminants take center stage at SETAC 2016.
View ArticleIdentifying Potential Contaminant Exposure to California Condors in the...
Potential reintroduction of the endangered California Condor to parts of its historic range in the Pacific Northwest would benefit from information on possible threats that could challenge recovery...
View ArticleConceptual Model Developed to Understand Contaminant Pathways between Aquatic...
A conceptual model, based on contaminant properties and ecotoxicological principles, was developed to understand the transfer of contaminants from aquatic to terrestrial ecosystems and the effects of...
View ArticleReview of Cyanobacterial Neurotoxins—Information for Prioritizing Future...
The current state of knowledge on the modes of action, production, fate, and occurrence of the freshwater cyanobacterial neurotoxins, anatoxin-a and saxitoxin, was reviewed and synthesized to identify...
View ArticleBioaccumulation of Mercury in Fish Varied by Species and Location in the...
Fish mercury data from State monitoring programs and research studies within the Chesapeake Bay were compiled and summarized to provide a comprehensive overview of the variation in fish mercury...
View ArticleFlood Redistributes Mercury in Grand Canyon Aquatic Food Webs
Scientists coupled the concepts of energy flow through food webs with measurements of mercury in organic matter and animals to estimate mercury fluxes and fate during an experimental flood in the...
View ArticleLong-Term Monitoring Reveals How Water and Biota in Remote Lakes Respond...
A comparison of regional mercury atmospheric deposition data with water, yellow perch, and dragonfly larvae samples from lakes in Voyageurs National Park indicates that decreases in mercury emissions...
View ArticleInorganic and Organic Chemical Mixtures Detected in both Public and Private...
Multiple detections of regulated and unregulated chemical (inorganic, organic) analytes or elements were detected in both privately and publicly supplied tap water samples from 20 residences in Cape...
View ArticleFriday's Findings October 15 2021
Ecological Pathways of Contaminant Transfer and Effects: Aquatic Insects and InsectivoresDate: October 15, 2021 from 2-2:30 p.m. eastern timeSpeaker: Johanna M. Kraus, USGS Columbia Environmental...
View ArticleUSGS Releases Strategy for Addressing PFAS Science Gaps
RESTON, Va. – The U.S. Geological Survey released a strategy today that outlines the agency’s future scientific role in the study of perfluoroalkyl and polyfluoroalkyl substances, chemicals known as...
View ArticleToxicity of Forever Chemicals Varies Among Amphibian Species
Some important amphibian species are more vulnerable to the harmful effects of per- and polyfluoroalkyl substances, or PFAS, than other species, according to a recent study.
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